package com.redkite.app;

import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.Bitmap.CompressFormat;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
  
public class UploadToServerActivity extends Activity {
    private final static String FILE_NAME_TO_STORE = "red_kite_temp_file.png";
    TextView messageText;
    Button uploadButton;
    ImageView aImageView;
    int serverResponseCode = 0;
    ProgressDialog dialog = null;
    private File fileToUpload;
    String upLoadServerUri = null;
     
     
    @Override
    public void onCreate(Bundle savedInstanceState) {
         
        super.onCreate(savedInstanceState);
        setContentView(R.layout.p_activity_upload_to_server);
        aImageView = (ImageView) findViewById(R.id.p_image_upload_view);
        Intent i = getIntent();
        /*getting image*/
        Bitmap bmp = null;
        if(i.hasExtra("SELECT_PICTURE")){
        	try {
        		Uri selectedImageUri = (Uri)i.getExtras().get("SELECT_PICTURE");
        		bmp = MediaStore.Images.Media.getBitmap(this.getContentResolver(), selectedImageUri);
        		aImageView.setImageBitmap(bmp);
        	} catch (FileNotFoundException e) {
        		bmp = null;
        	} catch (IOException e) {
        		bmp = null;
        	}
        }
        if(i.hasExtra("TAKE_PICTURE")){
        	bmp = (Bitmap) i.getExtras().get("TAKE_PICTURE");
        	aImageView.setImageBitmap(bmp);
        }
        String sms = "";
        fileToUpload = this.convertBitmapToFile(bmp, FILE_NAME_TO_STORE);

        
        uploadButton = (Button)findViewById(R.id.uploadButton);
        messageText  = (TextView)findViewById(R.id.messageText);
         
        messageText.setText("Uploading file path :- success");
         
        /************* Php script path ****************/
        upLoadServerUri = "http://askdocs.zz.mu/redkite/upload_to_server.php";
         
        uploadButton.setOnClickListener(new OnClickListener() {            
            @Override
            public void onClick(View v) {
                 
                dialog = ProgressDialog.show(UploadToServerActivity.this, "", "Uploading file...", true);
                uploadFile(fileToUpload);
                new Thread(new Runnable() {
                        public void run() {
                             runOnUiThread(new Runnable() {
                                    public void run() {
                                        messageText.setText("uploading started.....");
                                    }
                                });                      
                           
                             uploadFile(fileToUpload);
                                                      
                        }
                      }).start();        
                }
            });
    }
      
    public int uploadFile(File sourceFile) {
           if(sourceFile == null){
        	   return 0;
           }
           
          final String fileName = sourceFile.getName();
  
          HttpURLConnection conn = null;
          DataOutputStream dos = null;  
          String lineEnd = "\r\n";
          String twoHyphens = "--";
          String boundary = "*****";
          int bytesRead, bytesAvailable, bufferSize;
          byte[] buffer;
          int maxBufferSize = 1 * 1024 * 1024; 
           
          if (!sourceFile.isFile()) {
               
               dialog.dismiss(); 
                
               Log.e("uploadFile", "Source File not exist :"
                                   +fileName );
                
               runOnUiThread(new Runnable() {
                   public void run() {
                       messageText.setText("Source File not exist :"+fileName);
                   }
               }); 
                
               return 0;
            
          }
          else
          {
               try { 
                    
                     // open a URL connection to the Servlet
                   FileInputStream fileInputStream = new FileInputStream(sourceFile);
                   URL url = new URL(upLoadServerUri);
                    
                   // Open a HTTP  connection to  the URL
                   conn = (HttpURLConnection) url.openConnection(); 
                   conn.setDoInput(true); // Allow Inputs
                   conn.setDoOutput(true); // Allow Outputs
                   conn.setUseCaches(false); // Don't use a Cached Copy
                   conn.setRequestMethod("POST");
                   conn.setRequestProperty("Connection", "Keep-Alive");
                   conn.setRequestProperty("ENCTYPE", "multipart/form-data");
                   conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + boundary);
                   conn.setRequestProperty("uploaded_file", fileName); 
                    
                   dos = new DataOutputStream(conn.getOutputStream());
          
                   dos.writeBytes(twoHyphens + boundary + lineEnd); 
                   dos.writeBytes("Content-Disposition: form-data; name=\"uploaded_file\";filename="
                                             + fileName + "" + lineEnd);
                    
                   dos.writeBytes(lineEnd);
          
                   // create a buffer of  maximum size
                   bytesAvailable = fileInputStream.available(); 
          
                   bufferSize = Math.min(bytesAvailable, maxBufferSize);
                   buffer = new byte[bufferSize];
          
                   // read file and write it into form...
                   bytesRead = fileInputStream.read(buffer, 0, bufferSize);  
                      
                   while (bytesRead > 0) {
                        
                     dos.write(buffer, 0, bufferSize);
                     bytesAvailable = fileInputStream.available();
                     bufferSize = Math.min(bytesAvailable, maxBufferSize);
                     bytesRead = fileInputStream.read(buffer, 0, bufferSize);   
                      
                    }
          
                   // send multipart form data necesssary after file data...
                   dos.writeBytes(lineEnd);
                   dos.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);
          
                   // Responses from the server (code and message)
                   serverResponseCode = conn.getResponseCode();
                   String serverResponseMessage = conn.getResponseMessage();
                     
                   Log.i("uploadFile", "HTTP Response is : "
                           + serverResponseMessage + ": " + serverResponseCode);
                    
                   if(serverResponseCode == 200){
                        
                       runOnUiThread(new Runnable() {
                            public void run() {
                                 
                                String msg = "File Upload Completed.\n\n See uploaded file"
                                      
                                              +fileName;
                                 
                                messageText.setText(msg);
                                Toast.makeText(UploadToServerActivity.this, "File Upload Complete.", 
                                             Toast.LENGTH_SHORT).show();
                            }
                        });                
                   }    
                    
                   //close the streams //
                   fileInputStream.close();
                   dos.flush();
                   dos.close();
                     
              } catch (MalformedURLException ex) {
                   
                  dialog.dismiss();  
                  ex.printStackTrace();
                   
                  runOnUiThread(new Runnable() {
                      public void run() {
                          messageText.setText("MalformedURLException Exception : check script url.");
                          Toast.makeText(UploadToServerActivity.this, "MalformedURLException", 
                                                              Toast.LENGTH_SHORT).show();
                      }
                  });
                   
                  Log.e("Upload file to server", "error: " + ex.getMessage(), ex);  
              } catch (Exception e) {
                   
                  dialog.dismiss();  
                  e.printStackTrace();
                   
                  runOnUiThread(new Runnable() {
                      public void run() {
                          messageText.setText("Got Exception : see logcat ");
                          Toast.makeText(UploadToServerActivity.this, "Got Exception : see logcat ", 
                                  Toast.LENGTH_SHORT).show();
                      }
                  });
                  Log.e("Upload file to server Exception", "Exception : "
                                                   + e.getMessage(), e);  
              }
              dialog.dismiss();       
              return serverResponseCode; 
               
           } // End else block 
         } 
    
    private File convertBitmapToFile(Bitmap bitmap,String fileName){
    	if(bitmap == null) return null;
    	File f;
    	try{
    	//create a file to write bitmap data
    	f = new File(UploadToServerActivity.this.getCacheDir(), fileName);
    	if(f.exists()) f.delete();
    	f.createNewFile();

    	//Convert bitmap to byte array
    	ByteArrayOutputStream bos = new ByteArrayOutputStream();
    	bitmap.compress(CompressFormat.PNG, 0 /*ignored for PNG*/, bos);
    	byte[] bitmapdata = bos.toByteArray();

    	//write the bytes in file
    	FileOutputStream fos = new FileOutputStream(f);
    	fos.write(bitmapdata);
    	} catch (IOException ex){
    		f = null;
    	}
    	return f;
    }
}
